From patchwork Wed Dec 27 16:26:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 13505391 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CCD0AC46CD4 for ; Wed, 27 Dec 2023 16:27:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xIt8u8SRSx83Sw/kXOTAnnX9AWe0PBQpGdzMZrXRaKQ=; b=g87xe7u5qS+L6U yxPTCy18txORm/KEq873BWaA1JYHiNn9WfD4yFpazjdrUnrSRbcqppBeBVQpqWgpmepfCldw9Mt6J Zi3H1EXAsMXCdJG+epzReu1w/yLXxJ751Ez5k6ZlxLQ68vrk2TodqxaPoiQV2r4zEZPQMvE4i2XSY B2UxVZfrJikIKS3+xYNFkgMH+Jq/f0IeX7Lt67LqI7nquDI/mgzGF8wWFftIcNnwfgtznaipq6Ij3 2veA5Uq9NqRDiSAcD7MQn1jmCG86qtb0qW3kH8ipZHkHBc2DtB+OzH4Q1c91e8RFsbsIvTpzzL4St MsS0ugrqlqfUU237wQCA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rIWkN-00F4L6-0C; Wed, 27 Dec 2023 16:27:07 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rIWk9-00F4Fn-2L for linux-arm-kernel@lists.infradead.org; Wed, 27 Dec 2023 16:26:54 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rIWk0-00059y-0b; Wed, 27 Dec 2023 17:26:44 +0100 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rIWjy-001tZc-14; Wed, 27 Dec 2023 17:26:43 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1rIWjz-001Wn5-08; Wed, 27 Dec 2023 17:26:43 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Florian Fainelli , Kieran Bingham , Arnd Bergmann , Rob Herring Cc: kernel@pengutronix.de, Broadcom internal kernel review list , linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 07/11] firmware: raspberrypi: Convert to platform remove callback returning void Date: Wed, 27 Dec 2023 17:26:31 +0100 Message-ID: <5df31ef3c069f45634631c9c639bbb60ab1d4798.1703693980.git.u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1900; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=8OnFnV9+Q+XjHGFocc6jyNJphVm9oGZbvop0yAJNf9o=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBljFA5eCGsDsplPuScmklfE3nyikx3e0+FJY3l8 BL3mj5KWsuJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZYxQOQAKCRCPgPtYfRL+ TrYJB/wKMxZ0dVeqePWzIe13JUFhLVI4QUjz0EFQb5Rn475cfqK+B7i3dx0wcVewGUkDahlovG2 tdfvhL//8Gt6HvqFq2H+aCEBbKA4BHa48gkArRdq6xQEZDt5z0rQld5osnTbW0IDOdPoYaNuxo5 mkLOex1INSKouwkConwu8R0j9KDoV2neCB/vd0WEhYl0KpkvNgNdCBWBvMxmtoqSGdvAjb9+zb7 qwYQ7p93oWEIF4p9nBNulGEjF14nU7UlVrhmDf7OSOreQ02WFGTaYPacVKdTH9dxk/m5za93xoD 3zuzyc/kgU28KdvmxsL8G2Y1/r2et4CQOAkdyHhWt/k34anG X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231227_082653_767949_198DD483 X-CRM114-Status: GOOD ( 16.43 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Reviewed-by: Florian Fainelli --- drivers/firmware/raspberrypi.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c index 4cd290a60fba..322aada20f74 100644 --- a/drivers/firmware/raspberrypi.c +++ b/drivers/firmware/raspberrypi.c @@ -317,7 +317,7 @@ static void rpi_firmware_shutdown(struct platform_device *pdev) rpi_firmware_property(fw, RPI_FIRMWARE_NOTIFY_REBOOT, NULL, 0); } -static int rpi_firmware_remove(struct platform_device *pdev) +static void rpi_firmware_remove(struct platform_device *pdev) { struct rpi_firmware *fw = platform_get_drvdata(pdev); @@ -327,8 +327,6 @@ static int rpi_firmware_remove(struct platform_device *pdev) rpi_clk = NULL; rpi_firmware_put(fw); - - return 0; } static const struct of_device_id rpi_firmware_of_match[] = { @@ -406,7 +404,7 @@ static struct platform_driver rpi_firmware_driver = { }, .probe = rpi_firmware_probe, .shutdown = rpi_firmware_shutdown, - .remove = rpi_firmware_remove, + .remove_new = rpi_firmware_remove, }; module_platform_driver(rpi_firmware_driver);